[PATCH] D103408: DetectDeadLanes: Remove assert for subregister defs

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D103408#2792170 <https://reviews.llvm.org/D103408#2792170>, @arsenm wrote:

> This assert is correct. Subregister defs in SSA are illegal, and this does run on SSA.
>
> Also could use a mir test

It's also a bug if you aren't seeing the verifier fail on this


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  https://reviews.llvm.org/D103408/new/

https://reviews.llvm.org/D103408